1122952279 has 2 divisors, whose sum is σ = 1122952280. Its totient is φ = 1122952278.

The previous prime is 1122952241. The next prime is 1122952301. The reversal of 1122952279 is 9722592211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9722592211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122952279 is a prime.

It is a super-2 number, since 2×1122952279² = 2522043641822587682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122962279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561476139 + 561476140.

It is an arithmetic number, because the mean of its divisors is an integer number (561476140).

Almost surely, 2^1122952279 is an apocalyptic number.

1122952279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122952279 is an equidigital number, since it uses as much as digits as its factorization.

1122952279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 1122952279 is about 33510.4801368169. The cubic root of 1122952279 is about 1039.4105014109.

The spelling of 1122952279 in words is "one billion, one hundred twenty-two million, nine hundred fifty-two thousand, two hundred seventy-nine".